20691132

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 61555200

約数和(自身を除く): 40864068

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 343, 457, 462, 539, 588, 686, 914, 924, 1029, 1078, 1371, 1372, 1617, 1828, 2058, 2156, 2742, 3199, 3234, 3773, 4116, 5027, 5484, 6398, 6468, 7546, 9597, 10054, 11319, 12796, 15081, 15092, 19194, 20108, 22393, 22638, 30162, 35189, 38388, 44786, 45276, 60324, 67179, 70378, 89572, 105567, 134358, 140756, 156751, 211134, 246323, 268716, 313502, 422268, 470253, 492646, 627004, 738969, 940506, 985292, 1477938, 1724261, 1881012, 2955876, 3448522, 5172783, 6897044, 10345566, 20691132]

約数ペア:

[(1, 20691132), (2, 10345566), (3, 6897044), (4, 5172783), (6, 3448522), (7, 2955876), (11, 1881012), (12, 1724261), (14, 1477938), (21, 985292), (22, 940506), (28, 738969), (33, 627004), (42, 492646), (44, 470253), (49, 422268), (66, 313502), (77, 268716), (84, 246323), (98, 211134), (132, 156751), (147, 140756), (154, 134358), (196, 105567), (231, 89572), (294, 70378), (308, 67179), (343, 60324), (457, 45276), (462, 44786), (539, 38388), (588, 35189), (686, 30162), (914, 22638), (924, 22393), (1029, 20108), (1078, 19194), (1371, 15092), (1372, 15081), (1617, 12796), (1828, 11319), (2058, 10054), (2156, 9597), (2742, 7546), (3199, 6468), (3234, 6398), (3773, 5484), (4116, 5027)]